John Gaines, MD
Internal Medicine Physician · Smithfield, RI
John Gaines, MD is an internal medicine physician with a practice address in Smithfield, Rhode Island, and NPI 1568457224, issued on Sep 19, 2005. Check the license (Rhode Island MD07187, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- John Gaines
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD07187 RI
Self-reported in NPPES; status is on the state search - Practice location
- 41 Sanderson RD, Smithfield, RI 02917
- Phone
- (404) 949-0300
- Enumerated
- Sep 19, 2005
- Record last updated
- Apr 9, 2024
- Fax
- (401) 369-7963
- Medicaid ID
- JG18500 RI
- Medicare enrollment
- Enrolled (PECOS I20050414000762); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 41 Sanderson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra Alfred, NPNurse Practitioner1306831821
- Karen Azar, RNPFamily Nurse Practitioner1700097946
- Caasi Baima, RNPNurse Practitioner1629456371
- Stephanie Coelho, DPTPhysical Therapist1710606421
- David Colannino, DPMPodiatrist1811095706
- Eileen Crawford, NPFamily Nurse Practitioner1750790671
Verify John Gaines in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD07187Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average internal medicine physician in 2024
11,254 Medicare Part D claims for 942 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,117 claims
- Rosuvastatin Calcium841 claims
- Losartan Potassium612 claims
- Omeprazole488 claims
- Lisinopril447 claims
- Amlodipine Besylate415 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Coastal Medical Physicians IncSmithfield, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Gaines among 1,033 internal medicine physician records in Rhode Island
John Gaines, MD is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1985 · median 2006 among the 590 with a school on file
- Record last updated2024 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Smithfield
They are 8 of the 202 NPPES records with a practice address in Smithfield, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Smithfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lauren Conner, MD, MASmithfield, RI 029171306338082
- John Corsi, DOSmithfield, RI 029171689685042
- Vanessa Greenier, MDSmithfield, RI 029171356337745
- Katie Kozacka, MDSmithfield, RI 029171821559733
- Luis Lopez La Rosa, MDSmithfield, RI 029171104434455
- Ryan Rossi, M.D.Smithfield, RI 029171578909289
- Nidhi Sharma, M.D.Smithfield, RI 029171407134745
- Daniel Hochberger, M.D.Rumford, RI 029161497836969
Common questions
What is John Gaines, MD's NPI number?
John Gaines, MD's National Provider Identifier (NPI) is 1568457224, issued on Sep 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Gaines, MD located?
The NPPES record lists a practice address at 41 Sanderson RD, Smithfield, RI, 02917. Phone: (404) 949-0300. Providers update this record themselves, so call before visiting.
How can I verify John Gaines, MD's license?
NPPES lists Rhode Island license number MD07187, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Gaines, MD prescribe under Medicare Part D?
In 2024, John Gaines, MD had 11,254 Medicare Part D claims for 942 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.